*SUPPORT*
IN: blicket blicket fep dax OUT: RED RED PINK RED
IN: dax wif kiki tufa blicket OUT: YELLOW RED YELLOW RED PINK YELLOW RED
IN: kiki OUT: YELLOW
IN: zup OUT: GREEN
IN: dax wif kiki tufa kiki OUT: YELLOW YELLOW YELLOW YELLOW PINK YELLOW YELLOW
IN: dax OUT: PINK
IN: kiki tufa blicket OUT: YELLOW RED
IN: dax tufa blicket OUT: PINK RED
IN: dax tufa dax OUT: PINK PINK
IN: dax fep blicket OUT: PINK RED PINK
IN: zup fep zup OUT: GREEN GREEN GREEN
IN: kiki tufa dax OUT: YELLOW PINK
IN: dax fep dax OUT: PINK PINK PINK
IN: zup tufa kiki OUT: GREEN YELLOW

*QUERY*
IN: zup kiki OUT: GREEN YELLOW
IN: blicket zup OUT: RED GREEN
IN: zup wif blicket tufa blicket OUT: RED RED RED RED GREEN RED RED
IN: zup fep kiki OUT: GREEN YELLOW GREEN
IN: dax fep kiki OUT: PINK YELLOW PINK
IN: zup fep blicket OUT: GREEN RED GREEN
IN: dax tufa zup OUT: PINK GREEN
IN: dax dax OUT: PINK PINK
IN: blicket fep kiki OUT: RED YELLOW RED
IN: blicket OUT: RED

*GRAMMAR*
kiki -> YELLOW 
 dax -> PINK 
 blicket -> RED 
 zup -> GREEN 
 u1 fep u2 -> [u1] [u2] [u1] 
 u1 wif x1 -> [x1] [x1] [u1] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 